Which are most closely associated with an element on the periodic table?

Those in the same row.

Those in the same state (i.e., solid, liquid, gas).

Those in the same column.

Those in the same column are most closely associated with an element on the periodic table.

Those in the same column on the periodic table are most closely associated with each other. The elements in the same column, known as groups or families, share similar chemical properties and often have the same number of valence electrons. This similarity is due to the fact that elements in the same column have the same outermost electron configuration.